From: Jakub Kicinski <kuba@kernel.org>
To: Tony Nguyen <anthony.l.nguyen@intel.com>
Cc: davem@davemloft.net, pabeni@redhat.com, edumazet@google.com,
andrew+netdev@lunn.ch, netdev@vger.kernel.org,
Alexander Lobakin <aleksander.lobakin@intel.com>,
maciej.fijalkowski@intel.com, magnus.karlsson@intel.com,
michal.kubiak@intel.com, przemyslaw.kitszel@intel.com,
ast@kernel.org, daniel@iogearbox.net, hawk@kernel.org,
john.fastabend@gmail.com, horms@kernel.org, bpf@vger.kernel.org
Subject: Re: [PATCH net-next 03/16] libeth: xdp: add XDP_TX buffers sending
Date: Tue, 27 May 2025 19:03:09 -0700 [thread overview]
Message-ID: <20250527190309.156f3047@kernel.org> (raw)
In-Reply-To: <20250520205920.2134829-4-anthony.l.nguyen@intel.com>
On Tue, 20 May 2025 13:59:04 -0700 Tony Nguyen wrote:
> + if (sinfo || !netmem_is_net_iov(netmem)) {
> + const struct page_pool *pp = __netmem_get_pp(netmem);
> +
> + dma_sync_single_for_device(pp->p.dev, desc.addr, desc.len,
> + DMA_BIDIRECTIONAL);
> + }
How can we get an unreadable netmem into the XDP Tx path?
next prev parent reply other threads:[~2025-05-28 2:03 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-20 20:59 [PATCH net-next 00/16][pull request] libeth: add libeth_xdp helper lib Tony Nguyen
2025-05-20 20:59 ` [PATCH net-next 01/16] libeth: convert to netmem Tony Nguyen
2025-05-28 1:57 ` Jakub Kicinski
2025-05-28 3:49 ` Mina Almasry
2025-05-29 0:23 ` Jakub Kicinski
2025-05-28 14:54 ` Alexander Lobakin
2025-05-29 0:25 ` Jakub Kicinski
2025-05-20 20:59 ` [PATCH net-next 02/16] libeth: support native XDP and register memory model Tony Nguyen
2025-05-20 20:59 ` [PATCH net-next 03/16] libeth: xdp: add XDP_TX buffers sending Tony Nguyen
2025-05-28 2:03 ` Jakub Kicinski [this message]
2025-05-28 14:57 ` Alexander Lobakin
2025-05-29 0:18 ` Jakub Kicinski
2025-05-20 20:59 ` [PATCH net-next 04/16] libeth: xdp: add .ndo_xdp_xmit() helpers Tony Nguyen
2025-05-20 20:59 ` [PATCH net-next 05/16] libeth: xdp: add XDPSQE completion helpers Tony Nguyen
2025-05-20 20:59 ` [PATCH net-next 06/16] libeth: xdp: add XDPSQ locking helpers Tony Nguyen
2025-05-20 20:59 ` [PATCH net-next 07/16] libeth: xdp: add XDPSQ cleanup timers Tony Nguyen
2025-05-20 20:59 ` [PATCH net-next 08/16] libeth: xdp: add helpers for preparing/processing &libeth_xdp_buff Tony Nguyen
2025-05-20 20:59 ` [PATCH net-next 09/16] libeth: xdp: add XDP prog run and verdict result handling Tony Nguyen
2025-05-20 20:59 ` [PATCH net-next 10/16] libeth: xdp: add templates for building driver-side callbacks Tony Nguyen
2025-05-20 20:59 ` [PATCH net-next 11/16] libeth: xdp: add RSS hash hint and XDP features setup helpers Tony Nguyen
2025-05-20 20:59 ` [PATCH net-next 12/16] libeth: xsk: add XSk XDP_TX sending helpers Tony Nguyen
2025-05-20 20:59 ` [PATCH net-next 13/16] libeth: xsk: add XSk xmit functions Tony Nguyen
2025-05-20 20:59 ` [PATCH net-next 14/16] libeth: xsk: add XSk Rx processing support Tony Nguyen
2025-05-20 20:59 ` [PATCH net-next 15/16] libeth: xsk: add XSkFQ refill and XSk wakeup helpers Tony Nguyen
2025-05-20 20:59 ` [PATCH net-next 16/16] libeth: xdp, xsk: access adjacent u32s as u64 where applicable Tony Nguyen
2025-05-27 13:49 ` [PATCH net-next 00/16][pull request] libeth: add libeth_xdp helper lib Alexander Lobakin
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